P2646 honda element - We recently got a 2004 Element and are having an issue. It starts fine, and when it's cold it runs fine. However, when it gets warm it starts a cycle of hesitating/surging above a certain speed or RPM. So, when dead cold I can start it, get on the highway, and accelerate up to 60MPH with zero issues. HOWEVER, once the car warms up, if I slow ...

 
 DTC P2646 is a generic OBD-II powertrain code. It’s set by your Powertrain Control Module (PCM) or Engine Control Module (ECM) when it detects the ‘A’ rocker arm actuator control circuit for Bank 1 has a performance problem or is stuck off. Some vehicles, such as the Honda Accord, Honda Element, or Acura TL, come with Variable Valve ... . Pewaukee brunch

Here's the history: Get P2646 (actuator arm stuck, bank 1) error: -Replace VTEC solenoid -Replace oil pressure switch -Clean front oil screen behind power steering pump -Replace coils and plugs -Problem goes away. Soon after, get another P2646 and P0302 (cylinder misfire): -take to shop, one of the coils i had replaced was bad (bought off ...A forum thread where users share their experiences and solutions for the VTEC P2646 code, which causes limp mode and low RPM in Honda Elements. See possible causes, fixes, and tips from other owners. 2003-11 Element ALL ALL 2007-11 Fit ALL ALL REVISION SUMMARY Under REPAIR PROCEDURE, illustrations in step 2 specific to 2008-12 Accord PZEV were added along with additional FRT. SYMPTOM The MIL comes on with one of these DTCs: • P2646/P2651 (rocker arm oil pressure switch circuit low voltage). Fleetw00d. P2646 will cause your engine to go into limp mode at about 3000 rpm which is why you're experiencing the "sputtering". It is not in vain, but do not just simply throw parts at it. P0420 is a catalytic converter efficiency code; it may set the code, but shouldn't cause drivability issues like the P2646.Common p2646 question. Hi all, I am new to the forum and hoping for some help. I have an 04 cry and code P2646 popped up. So the first thing I did, from a suggestion on line was pulled off the Vtech selonoid and cleaned the screen filter and changed oil. But I didn’t have correct oil, I used 5w30 synthetic, 4 qts and topped off with reg 5w30 ...I live in Atlanta and have only seen 1 other E since I got mine (2 before) and that one was the one that the service advisor at my work drives (I work at...The trend is not limited to metropolitan areas. Despite the poor economic sentiment in India—that has caused massive layoffs and steep pay cuts—Indians are more willing than before...2003-11 Element ALL ALL 2007-11 Fit ALL ALL REVISION SUMMARY Under REPAIR PROCEDURE, illustrations in step 2 specific to 2008-12 Accord PZEV were added along with additional FRT. SYMPTOM The MIL comes on with one of these DTCs: • P2646/P2651 (rocker arm oil pressure switch circuit low voltage).Causes. Seriousness. Can I Still Drive? Diagnose. Difficulty of Inspecting. Get Additional Help. A P2646 code is an OBD code for the Engine Control Module (ECM) detecting that …Jan 31, 2017 · Constant P2646 and P2647 VTEC issues. Replaced the spool valve / vtec valve with a genuine honda part. Drove fine for 2 weeks and codes are back. I had a oil change with synthetic 5w-20 and checked for clogged screen behind the power steering pump. 2011 Honda CR-Z 2003-2011 Honda Element 2007-2011 Honda Fit The factory bulletin suggests that replacing the VTEC oil pressure switch (P/N 37250-PNE-G01, H/C 6737217) take care of the problem. User Submitted Video. ⚠ Check if your Honda have Safety Recalls. Descriptionimdanielsong. 1 post · Joined 2014. #16 · Jan 12, 2014. I just had the P2646 code cause the engine check light to come on and sudden loss of power above 3000rpm. I could've just swapped the oil pressure solenoid, but decided to give the engine a fresh oil change with just a bit more oil than I normally put in, 3/4 full on the dip stick.Replaced with en engine with 70,000 miles. Engine seems to run great. My engine light has been on ever since, with P2646 as the code. I have replaced the following since that time, all with OEM parts: VTEC Solenoid spool valve, both screens and gaskets and the oil valve timing switch sensor. New oil and filter was put in with the replaced engine.-P2646 VTEC OIL PRESSURE SWITCH CIRCUIT MALFUNCTION Next, took it for an oil change, in which after the tech noted the CEL turned off and now I can't get the problem to replicate. Very strange, still have an appointment with Honda on wednesday, will take the paper with me. After reading through the thread, it seems it could be a …Just took my dads 2006 Element with 127k from him since he bought a new car and figured Id use this one for work. Had a check engine light on with code P2646 on it. Everything I have seen says vtec solenoid. Looks to be a common code. What should I start with first? Saw 2 different parts that came up.the two things that i've seen cause this code are low oil level, and a bad vtec pressure switch. 9 times out of 10, it's a customer who's 2000 miles overdue for an oil change, and they're over a quart low. i've also seen a few leaky vtec solenoid gaskets aka spool valve gasket. check that too. Mike K.P2646 is a diagnostic trouble code (DTC) for "'A' Rocker Arm Actuator System Performance / Stuck Off Bank 1". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light ...P2646症状:Honda Element. P2646単独で現れることは、通常、顕著な運転性の症状に対応していません。 性能および燃料のマイレッジのマイナーなすくいに気づくかもしれない。 VTCストレーナ画面が詰まっている場合は、エンジンが重い加速下で死ぬことがあり ...72 posts · Joined 2021. #1 · Mar 5, 2024. Hello! I know that the famous P2646 code has been discussed in depth, but i have a question about it that I haven’t seen addressed yet. My 2006 E (Atomic Blue) threw the code & went into limp mode 2 months ago. Did everything, replace Vtek valve with OEM, clean screens, replace oil pressure …Or also possibly a catalytic problem which at 150k miles a 1000$ for a new cat is not something I'm willing to do. So my question after that long winded description is would the changing of the oxygen sensor trigger the P2646 code for that VTEC switch for some reason? Or could it be that I do have a cat problem? Thanks for any help in advance. 10.Introducing the P2646 Honda Element – the ultimate guide for all Honda enthusiasts out there! If you're a proud owner. Close Menu. Subscribe to Updates Learn how to fix ERROR CODE P2646 on your HONDA with the 2.4L engine.If this video is helpful, give it a "thumbs up" and consider subscribing to our channel.... P2646: Your Engine’s Secret Alarm Bell. The P2646 code refers to the ‘A’ Rocker Arm Actuator System PerformanceStuck Off Bank 1. The Engine Control Module (ECM) controls the oil hydraulic circuit through the Rocker Arm Actuator. The Rocker Arm Actuator adjusts the engine’s valve timing through the variable valve timing (VVT) system.But I have the old p2646 thing going on currently, have replaced the whole solenoid, not just the oil pressure switch, have been changing the oil every 1000 miles, and for the last 3500 miles or so, I'm still getting the CEL, and for the same p2646. ... Element Owners Club is your go to forum community to discuss your Honda Element, and get ...Mar 28, 2017 · DTC P2646 is defined as “Rocker Arm Actuator A, Bank 1, Performance or Stuck Off.” Honda, Acura, and a couple other automakers use this definition. What are the common causes of code P2646? Depending on year, make, and model, DTC P2646 may have number of causes. Here are some of the most common. P2646 – Rocker Arm Actuator System Performance/Stuck Off Bank 1; ... My 2004 Honda Element that I purchased in Feb 2020, started bucking and jerking 4 months after I purchased it. I had the oil changed with full synthetic and then after a time it started to buck and jerk again. I got a code reader and it said to replace the solenoid.hoy vamos a revisar un p2646 síntomas se Tironea de repente se Jalonea Sin fuerza Accord element CRV etc de la familia Honda AcuraThere are multiple common causes of the P2646, so what to fix depends on what is wrong. Low oil pressure is one cause of P2646. If someone has told you that you need to replace the oil pump, I am assuming that they have measured and proven that your VTEC screens are clean and your engine oil pressure is low. ... 2003 Honda Element …Feb 28, 2023 · 1316 posts · Joined 2008. #2 · Mar 1, 2023. I would have to think that the P0420 and the P2646 are unrelated and troubleshoot them separate from each other. I would think that a persistent negative fuel trIm might be a cause of early cat failure, so I might consider looking at that together with the P0420. VTEC solenoid valve located on rear right of cylinder head next to exhaust manifold and above oil filter. Disconnect VTEC solenoid valve and VTEC oil pressure switch connectors. Remove the three 10 mm hex head bolts from above. Remove the VTEC solenoid valve as a unit.Overview of a P2646 engine error code on a Honda Element. Read here for more information: https://www.backyardmechanic.org/caus... P2646 Code Definition: “P2646: Rocker arm actuator A-...Step 1: Diagnostic Scan. Before diving into any repairs, it’s essential to perform a diagnostic scan to confirm that code P2646 is indeed the issue. You can use an OBD-II scanner to retrieve the trouble codes from your Honda Accord’s ECM. Make sure to write down the codes displayed for future reference.authorized Honda automobile dealer. July 16, 2013 13-021 Applies To: See VEHICLES AFFECTED MIL Comes On With DTCs P2646/P2651 or P2647/P2652 (Supersedes 13-021, dated February 28, 2013, to revise the information marked by the black bars) REVISION SUMMARY • Under VEHICLES AFFECTED, 2012–13 Civic models (except Si and …If a Honda timing belt breaks while the engine is running, it can cause serious damage to the engine. This is because Hondas have interference engines. If a timing belt breaks in a...I recently adjusted the valves and performed an oil change because it wouldn't idle properly and was throwing the dreaded P2646 code. The idle cleared up perfectly, found the exhaust valves were tight as hell. I removed the spool valve at this time and cleaned the screen, replaced it, P2646 remains, still going into limp mode at 3000 rpm.A subreddit for Honda Element enthusiasts! The Honda Element was a compact crossover SUV based on a modified CR-V platform, manufactured in East Liberty, Ohio and offered in front-wheel and all-wheel drive formats in the United States and Canada from model years 2003 through 2011.Jan 24, 2019 · To diagnose the P2646 Honda code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour. Get Additional Help. A P2646 code is an OBD code for the Engine Control Module (ECM) detecting that the “A” rocker arm actuator control circuit for bank 1 has a performance issue or is stuck ...P2646 Honda Code - Rocker Arm Oil Pressure Switch Circuit Low Voltage. How to Fix. Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins. Search for P2646 Honda Questions and Answers.Mechanic for Honda: Tech413. This code is usually caused by a sticking VTEC oil pressure switch or low oil level. Check the oil level first if that is ok. Check the pressure switch or replace the switch. If you have access to a multimeter, I can walk you through some simple steps to check the switch.lostwater said: Hi! I am looking to buy a Honda Element and reading here there are many many posts about the P2646 code with the oil pressure switch and going into limp mode. I've seen these for the 2003-2006 generation Element, but haven't yet seen a post mentioning the problem in later Elements (2007 on) when the motor changed (10 …p2646 p2647 HELP ME. So my 2007 Honda Element has about 190k on it. I just bought it about 15k ago. The Check engine light came on and through the codes. I have read a bunch about this and we have since replaced the Varialbe timing solenoid, oil sensor, cleaned the filters, did an oil change and replaced all filters, cleaned the VTC strainer ...This video is about Honda P2646 P2647 engine check code fix I-Vtec 2.4 Odyessy, Accord, Element, CRV. I go through what could be the cause of the fault code ...The switch is used to tell the ECM that oil pressure has applied the v-tec control valve. Easy to test the switch, it should have 0 ohms across the 2 terminals and go open when pressure applied. Engine - MIL ON, DTC's P2646, P2651, P2647, P2652. 13-021. September 16, 2015. 49031-02409 Version 3.VTEC SOLENOID REPLACEMENT AND /OR JUST SCREEN REPLACEMENT. HONDA 2.4L ENGINE 4 CYLINDERS. SAME ON CRV, ELEMENT ACCORD CIVIC. CHECK ENGINE LIGHT. HESITATE AND...Aug 9, 2023 · It is important to follow the recommended oil change schedule mentioned in your Honda Element’s owner’s manual. Doing so will help keep the oil clean and well-lubricated, preventing the accumulation of contaminants that might harm the rocker arm oil switch system. This is basically Part 2 in a conquest to solve P2646 for my brother's Honda Accord. P2646, which is an OBD-II generic code for the engine control module (E...Step 1: Diagnostic Scan. Before diving into any repairs, it’s essential to perform a diagnostic scan to confirm that code P2646 is indeed the issue. You can use an OBD-II scanner to retrieve the trouble codes from your Honda Accord’s ECM. Make sure to write down the codes displayed for future reference.My 2006 Honda Element EX-P is just over 165k miles and has been having issues starting. The problem began during the winter where the car would struggle to start during cold weather, and only on the first start of the day. ... Battery check showed the charge, alternator, and starter to be fine. I got engine codes P1009 and P2646. The car …FWIW, variable valve timing switch is a somewhat generic term. For the Honda, they are likely referring to the VTEC (variable timing electronic lift control) pressure switch or the VTEC spool assembly (aka VTEC solenoid). The VTEC pressure switch and VTEC solenoid are two common causes of P2646. However, there are other faults that can cause ...This 2003 Honda Element seems to be possessed. The gauges stick or don't work at all, lights flash, relays click, it cranks but won't start. It also has a P2...176 posts · Joined 2017. #5 · Jan 2, 2022. I switch to 5-30 oil over 200k miles to prevent the oil pressure drop which CAN (not does) trigger a P2646 code with loose bearing clearances on higher mileage engines. That and clean oil, and clean screens, help 90% of the time. Mike1953.Mechanic for Honda: Tech413. This code is usually caused by a sticking VTEC oil pressure switch or low oil level. Check the oil level first if that is ok. Check the pressure switch or replace the switch. If you have access to a multimeter, I can walk you through some simple steps to check the switch.Causes for P2646 can be related to oil pressure, defective parts, or electrical issues. 2003 Honda Element EX AT 2WD 395k+ miles, 2003 Honda CRV EX AT AWD 325k+ miles, 2018 Ford Transit LR XLT RWD 55k+ miles ... Element Owners Club is your go to forum community to discuss your Honda Element, and get ideas from your next …If you’re facing the persistent P2646 and P2647 codes in your Honda Element, causing the engine to enter “limp mode” at approximately 3,000 RPM, you’re not alone. Contrary to common misconception, these codes aren’t linked to a speed governor but are a result of low oil pressure at the VTEC oil pressure switch. Troubleshooting StepsIf you’ve recently found yourself staring at your Honda’s radio, unable to unlock it because you don’t have the code, don’t worry – you’re not alone. Many Honda owners face this fr...08 Honda Element lx with 187600 miles on it. Has p2646 code. Car goes into limp mode and won't go above 3000 rpms but problem stops when the engine is shut off and on while driving (until it comes back on of course) I've replaced the Vtec solenoid and the sensor on it. And I have also cleaned out one of the screens for the oil.imdanielsong. 1 post · Joined 2014. #16 · Jan 12, 2014. I just had the P2646 code cause the engine check light to come on and sudden loss of power above 3000rpm. I could've just swapped the oil pressure solenoid, but decided to give the engine a fresh oil change with just a bit more oil than I normally put in, 3/4 full on the dip stick.The Honda Accord tops the list of most popular cars year after year. It’s not a luxury or sports car, so it might come as a surprise that the Honda Accord is also the most stolen c...The P2646 code is likely the most difficult problem to diagnose on a Honda 2.4 VTEC engine. There is no "Just Do ..... and you'll be good to go" answer. It could be any number of issues or a combination of issues. Here are some links I have saved over the years that have been helpful: Uh - Oh!Aug 9, 2023 · It is important to follow the recommended oil change schedule mentioned in your Honda Element’s owner’s manual. Doing so will help keep the oil clean and well-lubricated, preventing the accumulation of contaminants that might harm the rocker arm oil switch system. Step 2 is to buy a new Honda pressure switch, not the whole block, and replace the old one in the module. Solder two wires directly to the pins. Use 18AWG auto wire, cut two lengths about a foot long. Pot the whole thing in RTV and let it cure. Re-install the block and cut the connector off the harness.P2646 Rocker Arm Oil Pressure Switch Circuit A Low VoltageCustomer brought in the car and thought the transmission was slipping and free reving. I diagnosed ...VTEC SOLENOID REPLACEMENT AND /OR JUST SCREEN REPLACEMENT. HONDA 2.4L ENGINE 4 CYLINDERS. SAME ON CRV, ELEMENT ACCORD CIVIC. CHECK ENGINE LIGHT. HESITATE AND...Performing this bypass should not be your first option to get rid of a P2646/47 check engine light. This bypass is for people who, like me, have tried all the other solutions and still have the code return. This mod is a last ditch effort, not a first try solution. Before proceeding, you should check that 1) your vtec filters/screens are clean ...In this video I describe common issues and fixes for Honda 2.4L engines with a p2646. #honda #crv #p2646 #automotive #diagnosis #2.4 #2.4L #tips #tricks #tec...If you’re facing the persistent P2646 and P2647 codes in your Honda Element, causing the engine to enter “limp mode” at approximately 3,000 RPM, you’re not alone. Contrary to common misconception, these codes aren’t linked to a speed governor but are a result of low oil pressure at the VTEC oil pressure switch. Troubleshooting StepsP2646 Rocker Arm Oil Pressure Switch Circuit A Low VoltageCustomer brought in the car and thought the transmission was slipping and free reving. I diagnosed ...Learn what the P2646 code means, how it affects your engine performance, and what you can do to fix it. Find out the possible causes, symptoms, and solutions for this common Honda Element problem.2003 Honda Element EX AT 2WD 355k+ miles, 2003 Honda CRV EX AT AWD 310k+ miles, 2018 Ford Transit LR XLT RWD 40k+ miles. Save Share. Like. ... Took it to run computer codes and p2646 and p2647 came up. I replaced the oil sensor switch for the first code. And then replaced the entire selonoid for the second code. I drove it about …A subreddit for Honda Element enthusiasts! The Honda Element was a compact crossover SUV based on a modified CR-V platform, manufactured in East Liberty, Ohio and offered in front-wheel and all-wheel drive formats in the United States and Canada from model years 2003 through 2011.backgournd: 2008 honda element ~150K miles, no other issues or codes, change oil every 5k with specified weight. Current oil level is full and has about 500 miles usage. ... The P2646 code sets when the ECM does not see the rocker arm oil switch change state when the rocker arm oil control solenoid is switched on. Simple, except …imdanielsong. 1 post · Joined 2014. #16 · Jan 12, 2014. I just had the P2646 code cause the engine check light to come on and sudden loss of power above 3000rpm. I could've just swapped the oil pressure solenoid, but decided to give the engine a fresh oil change with just a bit more oil than I normally put in, 3/4 full on the dip stick.Here's the history: Get P2646 (actuator arm stuck, bank 1) error: -Replace VTEC solenoid -Replace oil pressure switch -Clean front oil screen behind power steering pump -Replace coils and plugs -Problem goes away. Soon after, get another P2646 and P0302 (cylinder misfire): -take to shop, one of the coils i had replaced was bad (bought off ...Jan 24, 2019 · To diagnose the P2646 Honda code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour. Overview of a P2646 engine error code on a Honda Element. Read here for more information: https://www.backyardmechanic.org/caus... P2646 Code Definition: “P2646: Rocker arm actuator A-...VTEC SOLENOID REPLACEMENT AND /OR JUST SCREEN REPLACEMENT. HONDA 2.4L ENGINE 4 CYLINDERS. SAME ON CRV, ELEMENT ACCORD CIVIC. CHECK ENGINE LIGHT. HESITATE AND...Heh. Classic VTEC sensor screen thing. #1 issue with used Elements, and, frankly, is indicative of a life of less-than-diligent oil changes. SOMEtimes this can be resolved with an oil change, run for a while, then change again. The fresh oil washes the gunk off the screen if hasn't been that way for long. And, yes, P2646.Mechanic for Honda: Tech413. This code is usually caused by a sticking VTEC oil pressure switch or low oil level. Check the oil level first if that is ok. Check the pressure switch or replace the switch. If you have access to a multimeter, I can walk you through some simple steps to check the switch.1K. 106K views 4 years ago. In this video, young mechanic Aiman discusses P2646, which is an OBD-II generic code for the engine control module (ECM) detecting the 'A' rocker …In this video I describe common issues and fixes for Honda 2.4L engines with a p2646. #honda #crv #p2646 #automotive #diagnosis #2.4 #2.4L #tips #tricks #tec...The “C” in Honda’s “CRV” stands for “comfortable.” The complete phrase is “Comfortable Runabout Vehicle.” The original concept of the vehicle was to provide a model with “more acti...

2003 Honda Element EX AT 2WD 355k+ miles, 2003 Honda CRV EX AT AWD 310k+ miles, 2018 Ford Transit LR XLT RWD 40k+ miles. ... Intermittent P2646 faults and engine oil pressure One of the problems …. Nh reptile show

p2646 honda element

Just took my dads 2006 Element with 127k from him since he bought a new car and figured Id use this one for work. Had a check engine light on with code P2646 on it. Everything I have seen says vtec solenoid. Looks to be a common code. What should I start with first? Saw 2 different parts that came up.It seems that there are a lot of Element enthusiasts out there, and this site is quite active, but not a whole lot of get togethers. I have been on this site for 3 years, and …Got the P2646 code (as a result of a check engine light and VSA lights) Oil screen was nasty. Cleaned with carb cleaner and problem fixxed. The P2646 code was giving a rocker arm problem code (ridiculus) …May 16, 2020 · P2649 P2647 P2646 ROCKER ARM ACTUATOR SYSTEM STUCK ON BANK 1 FIXHello everyone i decided to make a video how to fix a problem with one of my customers car.LI... 08 Honda Element lx with 187600 miles on it. Has p2646 code. Car goes into limp mode and won't go above 3000 rpms but problem stops when the engine is shut off and on while driving (until it comes back on of course) I've replaced the Vtec solenoid and the sensor on it. And I have also cleaned out one of the screens for the oil.VTEC solenoid valve located on rear right of cylinder head next to exhaust manifold and above oil filter. Disconnect VTEC solenoid valve and VTEC oil pressure switch connectors. Remove the three 10 mm hex head bolts from above. Remove the VTEC solenoid valve as a unit.I have just had the third failure (balking and jerking under load) that my code scanner reports as P2646, after paying twice to have the problem repaired. Latest repair was by my Honda dealer. Ran normally for approxl 150 mi. then started failing again. The scanner says "P 2646 ..."A Rocker Arm Actuation System /Performance/Stuck Off/ Bank 1".The trend is not limited to metropolitan areas. Despite the poor economic sentiment in India—that has caused massive layoffs and steep pay cuts—Indians are more willing than before...it would be once or so a month, then once a week, then once a day, not wont start at all. When it began to happen more often, it was only when it sat a. few hours, over night or such. it would take two or three trys cranking for like 5 seconds, to get it to start. after it started it was good, and would start again.The code will set above 2500-4000 RPM if the VTEC oil switch does not open. 5. If the code sets at 2500-4000 RPM or higher, the problem can be a low oil level or pressure, or a malfunction in the VTEC assembly. The pressure switch can be erratic, so test it a few times before testing the other components.Honda / Element / 2006 / what is p2646 ; What is p2646 . 2006 Honda Element. Asked by Visitor in Brentwood, CA on . April 11, 2010. what does p2646 mean . 1 reply ...backgournd: 2008 honda element ~150K miles, no other issues or codes, change oil every 5k with specified weight. Current oil level is full and has about 500 miles usage. ... The P2646 code sets when the ECM does not see the rocker arm oil switch change state when the rocker arm oil control solenoid is switched on. Simple, except …Faulty Components: Oil Pressure Switch, VTEC Solenoid, or Actuator. The oil pressure switch is critical. It’s like the referee in a sports game, making important calls. If it’s faulty, it can miscommunicate the engine’s status. This leads to the P2646 code. The VTEC solenoid and actuator are also vital.If you’ve recently found yourself staring at your Honda’s radio, unable to unlock it because you don’t have the code, don’t worry – you’re not alone. Many Honda owners face this fr...Aug 19, 2018 · Come along as I will show you how to repair a surging or bucking on this 2006 Honda CRV with code P2647 or 2646 pressure switch circuit voltage high or low .... VTEC solenoid valve located on rear right of cylinder head next to exhaust manifold and above oil filter. Disconnect VTEC solenoid valve and VTEC oil pressure switch connectors. Remove the three 10 mm hex head bolts from above. Remove the VTEC solenoid valve as a unit..

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